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Archives for January 10, 2022

Nikon D5 and Z7 shadow noise under extreme conditions, default noise reduction

January 10, 2022 JimK 2 Comments

In the previous post,  I compared the Nikon Z7 and D5 noise under extremely low light conditions. I turned of noise reduction for that series. Now I’ll show you a set of images with LrC default noise reduction. If you look at Bill Claff’s photographic dynamic range numbers, the D5 does better than the Z7… [Read More]

Nikon Z6/7

Nikon D5 and Z7 shadow noise under extreme conditions, repeated

January 10, 2022 JimK Leave a Comment

In the previous post, I made a comparison of the Z7 and the D5 in extreme low light. I used AF-S, and the Z7 pictures weren’t a sharp as the D5 ones. So I’m repeating the test using manual focusing. If you look at Bill Claff’s photographic dynamic range numbers, the D5 does better than… [Read More]

Nikon Z6/7

Nikon D5 and Z7 shadow noise under extreme conditions

January 10, 2022 JimK Leave a Comment

If you look at Bill Claff’s photographic dynamic range numbers, the D5 does better than the Z7 at extreme nosebleed ISO settings. There are some folks saying that’s not the case in the real world. I called my bookcase into service: Test protocol: RRS legs, C1 head Sigma 35/1.4 Art lens, directly attached to D5… [Read More]

Nikon Z6/7

Fuji 35-70 GF transfocal bokeh

January 10, 2022 JimK Leave a Comment

There are two important aspects to bokeh. It seems most people, when they hear the word, think immediately of the look of parts of the scene that are for out of focus. That’s a good thing to think about when buying, selecting, or using a lens, but the, ahem, focus, of today’s post is going… [Read More]

GFX 100, GFX 100S, GFX 50S

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Articles

  • About
    • Patents and papers about color
    • Who am I?
  • Good 35-70 MF lens
  • How to…
    • Backing up photographic images
    • How to change email providers
  • Lens screening testing
    • Equipment and Software
    • Examples
      • Bad and OK 200-600 at 600
      • Excellent 180-400 zoom
      • Fair 14-30mm zoom
      • Good 100-200 mm MF zoom
      • Good 100-400 zoom
      • Good 100mm lens on P1 P45+
      • Good 120mm MF lens
      • Good 18mm FF lens
      • Good 24-105 mm FF lens
      • Good 24-70 FF zoom
      • Good 35 mm FF lens
      • Good 60 mm lens on IQ3-100
      • Good 63 mm MF lens
      • Good 65 mm FF lens
      • Good 85 mm FF lens
      • Good and bad 25mm FF lenses
      • Good zoom at 24 mm
      • Marginal 18mm lens
      • Marginal 35mm FF lens
      • Mildly problematic 55 mm FF lens
      • OK 16-35mm zoom
      • OK 60mm lens on P1 P45+
      • OK Sony 600mm f/4
      • Pretty good 16-35 FF zoom
      • Pretty good 90mm FF lens
      • Problematic 400 mm FF lens
      • Tilted 20 mm f/1.8 FF lens
      • Tilted 30 mm MF lens
      • Tilted 50 mm FF lens
      • Two 15mm FF lenses
    • Found a problem – now what?
    • Goals for this test
    • Minimum target distances
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Printable Siemens Star targets
    • Target size on sensor
      • MFT
      • APS-C
      • Full frame
      • Small medium format
    • Test instructions — postproduction
    • Test instructions — reading the images
    • Test instructions – capture
    • Theory of the test
    • What’s wrong with conventional lens screening?
  • Previsualization heresy
  • Privacy Policy
  • Recommended photographic web sites
  • Using in-camera histograms for ETTR
    • Acknowledgments
    • Why ETTR?
    • Normal in-camera histograms
    • Image processing for in-camera histograms
    • Making the in-camera histogram closely represent the raw histogram
    • Shortcuts to UniWB
    • Preparing for monitor-based UniWB
    • A one-step UniWB procedure
    • The math behind the one-step method
    • Iteration using Newton’s Method

Category List

Recent Comments

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  • JimK on Hasselblad X2D electronic shutter scan time

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